.container {
    display: grid;
    gap: 1.5rem;
    padding: 1rem 0;
  }
  
  /* 响应式布局 */
  @media (min-width: 768px) {
    .container {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  
  @media (min-width: 1024px) {
    .container {
      grid-template-columns: repeat(3, 1fr);
    }
  }